Plot: Digging into the affairs of the house’s next resident, Benjamin Wild, David discovers a factory owner with a history of questionable business dealings, including an employee mangled to death on the factory floor. But when his business is burned down, allegedly by a disgruntled employee, will Wild’s luck finally run out? David then explores the story of Mary and Andrew Mellish, whose one-year-old child fell victim to one of the Victorian city’s most deadly diseases